As Actor/Actress
Broken Blossoms or The Yellow Man and the Girl
Ringside Employee (uncredited)
Smouldering Fires
Member of the Committee
A Lady of Quality
The Groom (as Bobby Mack)
The Student Prince in Old Heidelberg
Kellermann
The Girl from Montmartre
Cab Driver
Evangeline
Michael
Under Two Flags
Rake (as Robert Mack)
Human Stuff
Butler
The Timber Wolf
Billy Winch
The Girl of Lost Lake
Sim Perkins
The Bandit's Son
Jake Kirby (as Bobby Mack)
Black Beauty
Derby Ghost (as Bobby Mack)
My Wild Irish Rose
Harvey Duff
The Place Beyond the Winds
Street Food Seller
Gates of Brass
Ports of Call
Sly
The Opening Night
Aaron Hinkle (as Bobby Mack)
The Devil Bear
'Stub' Higgins, mine mucker
The Cowboy and the Lady
Justice of the Peace
While Satan Sleeps
Bones (as Bobby Mack)
